Finding the Fourth Proportional to 68,315.04, 102,477.84 and 26,215.28
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Solution
The fourth proportional to 68,315.04, 102,477.84 and 26,215.28 is: 39,324.95
Step by Step Solution
- Step 1: Write the proportion equation
68,315.04 : 102,477.84 = 26,215.28 : x - Step 2: Convert to fraction form
68,315.04/102,477.84 = 26,215.28/x - Step 3: Cross multiply
68,315.04x = 102,477.84 × 26,215.28 - Step 4: Simplify right side
68,315.04x = 2,686,485,269.40 - Step 5: Solve for x
x = 2,686,485,269.40/68,315.04 - Step 6: Final answer
x = 39,324.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.